Home / 19,319.70-26,659.38-10,936.20

Finding the Fourth Proportional to 19,319.70, 26,659.38 and 10,936.20

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Solution

The fourth proportional to 19,319.70, 26,659.38 and 10,936.20 is: 15,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.70 : 26,659.38 = 10,936.20 : x
  2. Step 2: Convert to fraction form
    19,319.70/26,659.38 = 10,936.20/x
  3. Step 3: Cross multiply
    19,319.70x = 26,659.38 × 10,936.20
  4. Step 4: Simplify right side
    19,319.70x = 291,552,311.56
  5. Step 5: Solve for x
    x = 291,552,311.56/19,319.70
  6. Step 6: Final answer
    x = 15,090.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.